What are the three main types of blood vessels?

• Arteries, veins, and capillaries

• Lungs, kidneys, and heart

• Bones, muscles, and skin

• Nerves, tendons, and ligaments

How is the structure of blood vessels related to their function?

• They are not related at all

• The structure determines the color of the blood vessels

• The structure influences the flow of blood through the vessels

• The structure affects the taste of blood in the vessels

What is the function of the thick elastic layer with collagen in arteries?

• To maintain low pressure

• To regulate blood flow

• To prevent clotting

• To maintain high pressure

How are blood vessels adapted to perform specific functions?

• They have a thin wall to allow for the exchange of gases and nutrients.

• They have valves to prevent the backflow of blood.

• They have smooth muscle to regulate blood flow.

• They have a rigid structure to withstand high pressure.

Why do arteries have a folded endothelium?

• To increase blood flow

• To prevent damage due to high pressure

• To regulate blood pressure

• To store excess blood

How do veins and capillaries differ in terms of structure and function?

• Veins are larger in diameter than capillaries.

• Veins carry blood away from the heart, while capillaries allow for the exchange of nutrients and waste products.

• Veins have valves to prevent backflow of blood, while capillaries have thin walls for easy diffusion of substances.

• Veins have a single layer of endothelial cells, while capillaries have multiple layers.

What is the main function of arteries?

• To maintain pressure on the transport medium

• To filter waste products from the blood

• To produce red blood cells

• To regulate body temperature

What are the two main jobs of blood vessels?

• Store nutrients and waste products
• Generate electricity and heat
• Control body temperature and digestion
• To maintain pressure and allow diffusion

What is the innermost layer of an artery called?

• Endothelium

• Tunica externa
• Tunica media
• Endothelium

The three main types of blood vessels are __________, __________, and __________.

• lymphatic vessels
• sinuses
• arterioles
• arteries, veins, capillaries